+++ /dev/null
-/*
- * Copyright © 2008 Keith Packard <keithp@keithp.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
- */
-
-sfr at 0x80 P0;
-sfr at 0x90 P1;
-sfr at 0xA0 P2;
-sfr at 0xC6 CLKCON;
-sfr at 0xbe SLEEP;
-
-# define SLEEP_USB_EN (1 << 7)
-# define SLEEP_XOSC_STB (1 << 6)
-
-sbit at 0x90 P1_0;
-sbit at 0x91 P1_1;
-sbit at 0x92 P1_2;
-sbit at 0x93 P1_3;
-sbit at 0x94 P1_4;
-sbit at 0x95 P1_5;
-sbit at 0x96 P1_6;
-sbit at 0x97 P1_7;
-
-sfr at 0xF1 PERCFG;
-sfr at 0xF2 ADCCFG;
-sfr at 0xF3 P0SEL;
-sfr at 0xF4 P1SEL;
-sfr at 0xF5 P2SEL;
-
-#define P2SEL_PRI3P1_USART0 (0 << 6)
-#define P2SEL_PRI3P1_USART1 (1 << 6)
-#define P2SEL_PRI2P1_USART1 (0 << 5)
-#define P2SEL_PRI2P1_TIMER3 (1 << 5)
-#define P2SEL_PRI1P1_TIMER1 (0 << 4)
-#define P2SEL_PRI1P1_TIMER4 (1 << 4)
-#define P2SEL_PRI0P1_USART0 (0 << 3)
-#define P2SEL_PRI0P1_TIMER1 (1 << 3)
-#define P2SEL_SELP2_4_GPIO (0 << 2)
-#define P2SEL_SELP2_4_PERIPHERAL (1 << 2)
-#define P2SEL_SELP2_3_GPIO (0 << 1)
-#define P2SEL_SELP2_3_PERIPHERAL (1 << 1)
-#define P2SEL_SELP2_0_GPIO (0 << 0)
-#define P2SEL_SELP2_0_PERIPHERAL (1 << 0)
-
-sfr at 0xFD P0DIR;
-sfr at 0xFE P1DIR;
-sfr at 0xFF P2DIR;
-sfr at 0x8F P0INP;
-sfr at 0xF6 P1INP;
-sfr at 0xF7 P2INP;
-
-sfr at 0x89 P0IFG;
-sfr at 0x8A P1IFG;
-sfr at 0x8B P2IFG;
-
-sfr at 0xF1 PERCFG;
-#define PERCFG_T1CFG_ALT_1 (0 << 6)
-#define PERCFG_T1CFG_ALT_2 (1 << 6)
-
-#define PERCFG_T3CFG_ALT_1 (0 << 5)
-#define PERCFG_T3CFG_ALT_2 (1 << 5)
-
-#define PERCFG_T4CFG_ALT_1 (0 << 4)
-#define PERCFG_T4CFG_ALT_2 (1 << 4)
-
-#define PERCFG_U1CFG_ALT_1 (0 << 1)
-#define PERCFG_U1CFG_ALT_2 (1 << 1)
-
-#define PERCFG_U0CFG_ALT_1 (0 << 0)
-#define PERCFG_U0CFG_ALT_2 (1 << 0)
-
-/* Timer count */
-sfr at 0xCA T3CNT;
-sfr at 0xEA T4CNT;
-
-/* Timer control */
-
-sfr at 0xCB T3CTL;
-sfr at 0xEB T4CTL;
-
-#define TxCTL_DIV_1 (0 << 5)
-#define TxCTL_DIV_2 (1 << 5)
-#define TxCTL_DIV_4 (2 << 5)
-#define TxCTL_DIV_8 (3 << 5)
-#define TxCTL_DIV_16 (4 << 5)
-#define TxCTL_DIV_32 (5 << 5)
-#define TxCTL_DIV_64 (6 << 5)
-#define TxCTL_DIV_128 (7 << 5)
-#define TxCTL_START (1 << 4)
-#define TxCTL_OVFIM (1 << 3)
-#define TxCTL_CLR (1 << 2)
-#define TxCTL_MODE_FREE (0 << 0)
-#define TxCTL_MODE_DOWN (1 << 0)
-#define TxCTL_MODE_MODULO (2 << 0)
-#define TxCTL_MODE_UP_DOWN (3 << 0)
-
-/* Timer 4 channel 0 compare control */
-
-sfr at 0xCC T3CCTL0;
-sfr at 0xCE T3CCTL1;
-sfr at 0xEC T4CCTL0;
-sfr at 0xEE T4CCTL1;
-
-#define TxCCTLy_IM (1 << 6)
-#define TxCCTLy_CMP_SET (0 << 3)
-#define TxCCTLy_CMP_CLEAR (1 << 3)
-#define TxCCTLy_CMP_TOGGLE (2 << 3)
-#define TxCCTLy_CMP_SET_UP_CLEAR_DOWN (3 << 3)
-#define TxCCTLy_CMP_CLEAR_UP_SET_DOWN (4 << 3)
-#define TxCCTLy_CMP_SET_CLEAR_FF (5 << 3)
-#define TxCCTLy_CMP_CLEAR_SET_00 (6 << 3)
-#define TxCCTLy_CMP_MODE_ENABLE (1 << 2)
-
-/* Timer compare value */
-sfr at 0xCD T3CC0;
-sfr at 0xCF T3CC1;
-sfr at 0xED T4CC0;
-sfr at 0xEF T4CC1;
-
-#define nop() _asm nop _endasm;
-
-void
-delay (unsigned char n)
-{
- unsigned char i = 0, j = 0;
-
- n <<= 1;
- while (--n != 0)
- while (--j != 0)
- while (--i != 0)
- nop();
-}
-
-void
-dit() {
- T4CTL |= TxCTL_START;
- delay(1);
- T4CTL &= ~TxCTL_START;
- delay(1);
-}
-
-void
-dah () {
- T4CTL |= TxCTL_START;
- delay(3);
- T4CTL &= ~TxCTL_START;
- delay(1);
-}
-
-void
-charspace () {
- delay(2);
-}
-
-void
-wordspace () {
- delay(8);
-}
-
-#define _ dit();
-#define ___ dah();
-#define C charspace();
-#define W wordspace();
-
-main ()
-{
- CLKCON = 0;
- while (!(SLEEP & SLEEP_XOSC_STB))
- ;
-
- /* Use timer 4 alternate config 2 */
- PERCFG = PERCFG_T4CFG_ALT_2;
- /* Use P2_4 for timer 4 output */
- P2SEL = P2SEL_SELP2_0_PERIPHERAL;
-
- T4CCTL0 = TxCCTLy_CMP_TOGGLE|TxCCTLy_CMP_MODE_ENABLE;
- T4CC0 = 125;
- T4CTL = TxCTL_DIV_32 | TxCTL_MODE_MODULO;
-
- for (;;) {
- ___ _ ___ _ C ___ ___ _ ___ W /* cq */
- ___ _ _ C _ W /* de */
- ___ _ ___ C ___ _ _ C /* kd */
- ___ ___ _ _ _ C _ _ _ C /* 7s */
- ___ ___ _ ___ C ___ ___ _ W /* qg */
- if (T4CC0 == 94)
- T4CC0 = 125;
- else
- T4CC0 = 94;
- }
-}
projects / fw / altos / blobdiff